SRAM CRANK XX1 EAGLE BOOST 148 DUB 12S W DIRECT MOUNT 34T X-SYNC 2 CHAINRING (DUB CUPS/BEARINGS NOT INCLUDED) LIGHTER. STIFFER. STRONGER. True competitors are always looking for a performance advantage a relentless pursuit of equipment that is lighter, stiffer, stronger and more durable. To create the best drivetrain possible, we re-examined and re-engineered our crankset design. Our all-new XX1 Eagle™ CARBON TUNED™ crankset is our lightest, stiffest and strongest to date. DUB™ technology enhances this by simplifying the relationship of the spindle to the bottom bracket, and redefining the measure of durability. DUB-powered cranksets mean simplicity, compatibility and durability. THINGS TO REMEMBER Eagle™ represents our newest 1x drivetrain technologies Eagle™ is a lighter, tougher, quieter, more durable and more precise drivetrains Eagle™ features all-new 1x components, engineered for even greater durability and performance Eagle™ has a significant weight advantage over other drivetrains Eagle™ technology allows an expanded, optimum, 500-percent gear range a 20-percent increase over our other 1x FEATURES AND BENEFITS DUB™ technology delivers the lightest, stiffest, strongest crankset available All-new SRAM CARBON TUNED™ crank technology provides extreme stiffness and light weight All-new chainring technology is designed specifically for Eagle™ chains and drivetrains The X-SYNC 2™ chainring provides significantly quieter performance, with better mud clearing and extraordinary durability SPECIFICATIONS Speeds: 11/12 BB Compatibility: BSA 68/73, PF89.5, PF92, PF30 MTB73, BB30 MTB73 Chainring Size: 34 Crank arm length: 170mm, 175mm Chain line: 52.0mm BB Spindle Interface: DUB Chainring material: Aluminium Guard: No Guard Bolt Circle Diameter (BCD): Direct Mount (DM) Crank arm material: Carbon Colour (Crank arm): Black, Gold